Motorcycle exhaust muffler



The article in which the design is embodied comprises a motorcycle muffler intended to be installed as an integral component of a motorcycle as a part of the motorcycle's engine exhaust assembly.

Characteristic features of the article in which the design is embodied comprise conical tapering of a forward end of such article and fins extending radially outwardly from the opposite end of such article.

FIG. 1 is a side elevational view of a motorcycle exhaust muffler, showing my new design;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a rear elevational view thereof.

The broken lines in the drawings represent environmental structure only and form no part of the claimed design. 

The ornamental design for a motorcycle exhaust muffler, as shown and described. 